US3073543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coiling and uncoiling strip material
Assignee: DAVEY AND UNITED ENGINEERING C
•
Filing: 1960-11-02
•
Granted: 1963-01-15
•
Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Bond Harry Laurence Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:18
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/04; B21C47/06; B21C47/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
APPARATUS FOR COILING OR UNCOILING STRIP COMPRISING A ROTATABLE MANDREL ON WHICH THE COIL IS WOUND, A PLURALITY OF WRAPPER ROLLS DISTRIBUTED AROUND THE MANDREL SO AS TO RUN ON THE PERIPHERY OF THE COIL WHEN THE MANDREL IS ROTATED, GAS PRESSURE MEANS FOR MAINTAINING PRESSURE BETWEEN THE WRAPPER ROLLS AND SAID COIL WHEN THE ROLLS ARE RUNNING THEREON, AND SEPARETE LIQUID PRESSURE MEANS FOR MOVING THE ROLLS RAPIDLY AWAY FROM THE COIL.
Claim 2
Dependent Claim
73 words
APPARATUS FOR COILING OR UNCOILING STRIP COMPRISING A ROTATABLE MANDREL ON WHICH THE COIL IS WOUND, A PLURALITY OF WRAPPER ROLLS DISTRIBUTED AROUND THE MANDREL SO AS TO RUN ON THE PERIPHERY OF THE COIL WHEN THE MANDREL IS ROTATED, GAS PRESSURE MEANS FOR MAINTAINING PRESSURE BETWEEN THE WRAPPER ROLLS AND SAID COIL WHEN THE ROLLS ARE RUNNING THEREON, AND SEPARETE LIQUID PRESSURE MEANS FOR MOVING THE ROLLS RAPIDLY AWAY FROM THE COIL.
References Cited (Backward Citations)
US2268125A
Cited
US2325559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |